Scraper arm for use with disc harrows



FIG. 1 is a top perspective view of a scraper arm for use with disc harrows;

FIG. 2 is a side perspective view thereof;

FIG. 3 is another top perspective view thereof;

FIG. 4 is a front view thereof, the rear view thereof being a mirror image of the front view;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a scraper arm for use with disc harrows, as shown and described. 